British Dictionary definitions for make a mountain out of a molehill
molehill
/ˈməʊlˌhɪl/
noun
1.
the small mound of earth thrown up by a burrowing mole
2.
make a mountain out of a molehill, to exaggerate an unimportant matter out of all proportion
Word Origin and History for make a mountain out of a molehill
molehill
n.
also mole-hill, mid-15c., from mole (2) + hill (n.).
To much amplifying thinges yt. be but small, makyng mountaines of Molehils. [John Foxe, "Acts and Monuments," 1570]
make a mountain out of a molehill in Culture
make a mountain out of a molehill definition
To blow an issue or event out of proportion: “You have only a small blister on your heel, but you complain as though you broke your leg. Why are you making a mountain out of a molehill?”
Idioms and Phrases with make a mountain out of a molehill
make a mountain out of a molehill
Exaggerate trifling difficulties, as in If you forgot you racket you can borrow one—don't make a mountain out of a molehill. This expression, alluding to the barely raised tunnels created by moles, was first recorded in John Fox's The Book of Martyrs (1570).